CITY – BLACK GOLD is a premium 1-litre liquid formulation of humic acid, designed to enhance soil fertility, root development, and overall plant growth. Composed of Humic Acid (12%), Fulvic Acid (3%), and Potassium (K – 6%), this bio-based product improves nutrient absorption, promotes microbial activity, and enhances resistance to drought and stress. Suitable for use in all types of crops including vegetables, flowers, cereals, pulses, and fruits, this product is eco-friendly and compatible with sustainable farming practices. Manufactured and marketed by Green City Biotech / City Biotech, under the Ganapathy Group of Companies, with units located in Rajapalayam and Coimbatore, Tamil Nadu, the product should be stored in a cool, dry place away from direct sunlight and not mixed with chemical fungicides or herbicides. It is packed in durable 1-litre bottles, with space for batch number, MRP, manufacturing date, and expiry details (typically 12 months shelf life from date of manufacturing). For farmer assistance and bulk orders, contact: +91 95856 27360 / +91 98430 67360.